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Modulator and Emitter - Two glass artworks referencing the controllers of radiation

This work continues Rennie’s research informed practice concerned with investigating how glass sculpture can be used to as a response to complex scientific territories. These two sculptures, respond to scientific apparatus and seminal experiments into the electromagnetic spectrum. The titles ‘Emitter’ and ‘Modulator’ reference sources and controllers of radiation used in many experiments and the works combine traditional craft and contemporary digital skills. The artworks are metaphorical models, simplifications, and synthetic responses, informed by the craftsmanship and precision required of scientific apparatus, some of which scientists develop and make themselves.

The antique appearance of the artworks belies the use of sophisticated technology. The method of manufacture is an innovative blend of computer-aided design and machining (CAD/CAM) with traditional craft skills. The modern machinist's skill-set includes Rhinoceros three-dimensional modelling software, used as the drawing tool to compose parts, and a water-jet cutter which cuts components from glass and steel.

In a synthesis of ancient practice with new technology, the machined parts are assembled and finished through glassblowing. A creative visualisation of the transition from one state to another is manifest in the dynamic movement of the glass elements from the crisp central section of the sculptures to the extents. The blown glass bubble expands and changes the shape of the machined parts, creating new sculptural forms that could not be made through any other process.

The artworks were exhibited in Collect 2013, the International Art Fair for Contemporary Objects held at the Saatchi Gallery London, and subsequently shown in Bede’s World Museum in NE England. This work formed then basis for a subsequent solo exhibition Digital-Glass Interface at National Glass Centre (23 Nov 2013-5 Jan 2014).